Aeroflex has added a high-speed uplink packet access (HSUPA) test capability to its 6401 air interface monitor emulator (AIME) 3G mobile protocol test system. The new capability is initially targeted at engineers with a development test requirement for higher uplink data rates provided by HSUPA. It will be followed by a conformance test capability that will enable the formal certification of HSUPA devices. The HSUPA development test suite runs on Aeroflex's existing 3G mobile protocol test system, the 6401 AIME test system. The flexible system design of the 6401 AIME allows existing users to upgrade their development test systems to include the HSUPA capability without the need for additional hardware. The high-speed downlink packet access (HSDPA) conformance test cases are providing the benchmark for the 3GPP Working Group's formal HSDPA verification and approval process. HSUPA (also referred to as enhanced uplink) is a 3GPP release 6 feature that provides higher uplink data rates and is expected to be offered in parallel with HSDPA. This combination of HSUPA and HSDPA will offer the user bidirectional high-speed, low latency data links that are well suited for services such as voice over Internet protocol (VoIP). HSUPA, as with HSDPA, can be offered at a range of data rates to suit the capability of the mobile device, as well as the prevailing radio conditions. HSUPA devices are grouped in the 3GPP standards in six categories, providing uplink data rates from 729.6 Kbps to 5.76 Mbps. Availability of the HSUPA development test capability is scheduled for the fourth quarter of 2005.

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